Fig. 3

The effect of pH of the mobile phase to peak areas on the determination of analytes based on the optimized parameters, mobile phase: 0.05 Na2HPO4:ACN:MeOH (70:10:20), temperature: 40 °C, wavelength: 230 nm, and flow rate: 1 mL min−1
The effect of pH of the mobile phase to peak areas on the determination of analytes based on the optimized parameters, mobile phase: 0.05 Na2HPO4:ACN:MeOH (70:10:20), temperature: 40 °C, wavelength: 230 nm, and flow rate: 1 mL min−1